title: [Comparative study of biological methods of determination of vitamin B12].
mesh_terms: D045728:Corrinoids; D006397:Hematinics; D014805:Vitamin B 12 / Q000032:analysis*
chemical_list: D045728:Corrinoids; D006397:Hematinics; D014805:Vitamin B 12
keywords: VITAMIN B12/determination
vernacular_title: Badania porównawcze nad biologicznymi metodami oznaczania witaminy B12.